A fin is a thin component or appendage attached to a larger body or structure. Fins typically function as foils that produce lift or thrust, or provide the ability to steer or stabilise motion while traveling in water, air, or other fluid media. Fins are also used to increase surface areas for heat transfer purposes, or simply as an ornamentation.

In fish, fins initially evolved as limbs which provided a means of locomotion. Fish fins can be used to generate thrust and control the subsequent motion. Fish, and other aquatic animals such as cetaceans, actively propel and steer themselves with pectoral and tail fins. As they swim, they can use other fins, such as dorsal and anal fins to achieve stability and refine their maneuvering.

Read more about Fin:  Evolution of Fins, Generating Thrust, Controlling Motion, Regulating Temperature, Ornamentation, Other Functions, Robotic Fins

Other articles related to "fin":

Franco Bonera - Grand Prix Motorcycle Racing Results
... Rank Wins 1973 350cc Harley Davidson FRA AUT GER NAT IOM YUG NED CZE SWE FIN ESP 8 23rd 0 500cc Harley Davidson FRA AUT GER IOM YUG NED BEL CZE ...
1994 European Athletics Championships – Men's Pole Vault - Qualifying Round
... Petri Peltoniemi (FIN) 5.60 m Denis Petushinskiy (RUS) Danny Krasnov (ISR) Gerald Baudouin (FRA) 5 ... Daniel Martí (ESP) 5.40 m Heikki Vaaraniemi (FIN) 12 ... Jani Lehtinen (FIN) 5.50 m 7 ...
Robotic Fins
... The use of fins for the propulsion of aquatic animals can be remarkably effective ... It has been calculated that some fish can achieve a propulsive efficiency greater than 90% ...
1994 European Athletics Championships – Men's Shot Put - Qualifying Round
... Mika Halvari (FIN) 19.29 m 4 ... Markus Koistinen (FIN) 19.05 m 6 ... Antero Paljakka (FIN) 18.00 m ...
... these two genera, members have a ridge behind their dorsal fin and an adipose fin membrane ... However, in Hemipsilichthys, the dorsal fin membrane and most anterior plate of the adipose fin do not touch, while they do in Delturus ...

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